多項(xiàng)選擇題

用到的己烯雌酚標(biāo)準(zhǔn)品濃度有()

A.0ng/mL,0.1ng/mL
B.0.3ng/mL,0.9ng/mL
C.1.5ng/mL,2.1ng/mL
D.2.7ng/mL,8.1ng/mL

微信掃碼免費(fèi)搜題